*                            8
   */

  // Constant matcher factory methods

  /**
   * Matches any character.
   *
   * @since 19.0 (since 1.0 as constant {@code ANY})
   */
  public static CharMatcher any() {
    return Any.INSTANCE;
  }

  /**
   * Matches no characters.
   *
   * @since 19.0 (since 1.0 as constant {@code NONE})
   */
  public static CharMatcher none() {

                    problems.add(new ModelProblemCollectorRequest(Severity.FATAL, ModelProblem.Version.V31)
                            .setMessage("Version must be a constant")
                            .setLocation(childModel.getLocation("")));

                } else {
                    if (rawChildVersionReferencesParent(rawChildModelVersion)) {

                        versionExpressionSeverity,
                        Version.V20,
                        "version",
                        null,
                        "must be a constant version but is '" + m.getVersion() + "'.",
                        m);
            }

            Build build = m.getBuild();
            if (build != null) {
                for (Plugin p : build.getPlugins()) {

    public static final String ROLE = "admin-upgrade";

    // ===================================================================================
    //                                                                            Constant
    //
    private static final Logger logger = LogManager.getLogger(AdminUpgradeAction.class);

    private static final String VERSION_13_0 = "13.0";

    private static final String VERSION_13_1 = "13.1";

    Module System.
 *  New: Log gzipped bodies when `HttpLoggingInterceptor` is used as a network
    interceptor.
 *  New: `Protocol.QUIC` constant. This protocol is not supported but this
    constant is included for completeness.
 *  New: Upgrade to Okio 1.14.0.

     ```xml
     <dependency>
       <groupId>com.squareup.okio</groupId>
       <artifactId>okio</artifactId>

    return new Builder<>(Ordering.<K>natural().reverse());
  }

  /**
   * A builder for creating immutable sorted map instances, especially {@code public static final}
   * maps ("constant maps"). Example:
   *
   * <pre>{@code
   * static final ImmutableSortedMap<Integer, String> INT_TO_WORD =
   *     new ImmutableSortedMap.Builder<Integer, String>(Ordering.natural())
   *         .put(1, "one")

    return new Builder<>(Ordering.<K>natural().reverse());
  }

  /**
   * A builder for creating immutable sorted map instances, especially {@code public static final}
   * maps ("constant maps"). Example:
   *
   * <pre>{@code
   * static final ImmutableSortedMap<Integer, String> INT_TO_WORD =
   *     new ImmutableSortedMap.Builder<Integer, String>(Ordering.natural())
   *         .put(1, "one")

   * is merely copied. Only as the power set is iterated are the individual subsets created, and
   * these subsets themselves occupy only a small constant amount of memory.
   *
   * @param set the set of elements to construct a power set from
   * @return the power set, as an immutable set of immutable sets